@misc{blackwell_xray_analysis_1991, 
author={Blackwell, J.,Hofmann, D.,Schneider, A. I.},
title={X-ray analysis and molecular modeling of the structure of thermotropic copolyesters and copolyester carbonates},
year={1991},
howpublished = {conference lecture: Berlin (D); 9.-11. Oktober 1991},
note = {Online available at: \url{} (DOI). Blackwell, J.; Hofmann, D.; Schneider, A.: X-ray analysis and molecular modeling of the structure of thermotropic copolyesters and copolyester carbonates. 4. Berliner Polymertage. Berlin (D), 1991.}}